Once the Pasadena Freeway crosses the i-10 and starts traveling
south past the i-10, the name of the Pasadena Freeway changes to the "Harbor
Freeway" or i-110 (Interstate 110), which travels south,
eventually reaching the San Pedro / Los Angeles Harbor area.

The Pasadena Freeway is also known as "Highway 110, SR
110" and the "Arroyo Seco Parkway"... the length of the
Pasadena Freeway is approx. 11.7 miles in long.